Review of Surfactant Drag Reduction Technology and Its Application in HVAC
The mechanism of surfactant drag re-duction,the rheological characteristics of surfactant solu-tion,the influencing factors of surfactant drag reduction effect,and the application of surfactant in HVAC are an-alyzed.Compared to polymer drag reduction,surfactant drag reduction has good shear resistance while having good drag reduction effect.It is suitable for both circu-lating and non circulating fluid transport systems.The research direction includes further investigation of the microstructure and rheological properties during the drag reduction process of surfactants,in order to better a-chieve synergistic drag reduction with other drag reduc-tion methods.The factors influencing the drag reduction effect of surfactants are reasonably and effectively ap-plied and adjusted,so that the drag reduction solution can continue to play an efficient role.New non-corro-sive surfactants suitable for low and high temperature working conditions are developed.Surfactants are trea-ted harmlessly after use.
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